Hi Luke,
Here, I must somewhat agree with you: The Prepcast is not representative of the exam in the style of its questions in many ways. The questions on the actual PMP in 2017 are indeed complicated sentences full of equivocations, unlike the prepcast questions which in many cases are framed in a very elementary manner.
This is true especially of ITTO questions, which in Prepcast are simple questions such as: Which of the following is not a tool of... In the real exam, tools and techniques are couched in terms of real-world situations that use the tools and techniques, making it a much better test of one's knowledge rather than the rote method often used in Prepcast.